Transcend Information miniSDHC Card Series manual RCA Register

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miniSDHC Card series

4GB High Capacity miniSD Card

4. RCA Register

The writable 16-bit relative card address register carries the card address that is published by the card during the card identification. This address is used for the addressed host-card communication after the card identification procedure. The default value of the RCA register is 0x0000. The value0x0000 is reserved to set all cards into the Stand-by State with CMD7.

5. DSR Register (Optional)

The 16-bit driver stage register is described in detail in Chapter 6.5. It can be optionally used to improve the bus performance for extended operating conditions (depending on parameters like bus length, transfer rate or number of cards). The CSD register carries the information about the DSR register usage. The default value of the DSR register is

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Contents Features Placement4GB High Capacity miniSD Card Description Pin Definition4GB High Capacity miniSD Card Mtbf 4GB High Capacity miniSD Card Information4GB High Capacity miniSD Card Architecture Power Supply Voltage Bus Signal Line LoadCurrent Consumption Single card capacitance Parameter Symbol Min Max Unit Remark 4GB High Capacity miniSD Card Bus Signal Levels4GB High Capacity miniSD Card Bus Timing Output Delay time during Data Transfer Mode 4GB High Capacity miniSD Card Bus Timing High Speed Mode Output Hold time 4GB High Capacity miniSD Card Reliability and Durability OCR register 4GB High Capacity miniSD Card Register InformationOID MIDPNM PRVPSN MDTCRC CSD Register Fields CSD Version CsdstructureTaac NsacTranspeed Readbllen CCCReadblpartial WriteblkmisalignCsize WpgrpenableEraseblken SectorsizePermwriteprotect CopyTmpwriteprotect FileformatRCA Register Scrstructure SdspecDatastataftererase Sdbuswidths SdsecurityMechanical Description Top View MiniSDHC Card series MiniSDHC Card series 4GB High Capacity miniSD Card MiniSD Card package dimensions